#include <sys/types.h>
#include <err.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "map.h"
#include "gpt.h"
static void
usage_show(void)
{
fprintf(stderr,
"usage: %s device ...\n", getprogname());
exit(1);
}
static const char *
friendly(uuid_t *t)
{
#ifdef __APPLE__
static char buf[37];
#else
uuid_t efi_slice = GPT_ENT_TYPE_EFI;
uuid_t freebsd = GPT_ENT_TYPE_FREEBSD;
uuid_t swap = GPT_ENT_TYPE_FREEBSD_SWAP;
uuid_t ufs = GPT_ENT_TYPE_FREEBSD_UFS;
uuid_t vinum = GPT_ENT_TYPE_FREEBSD_VINUM;
static char buf[80];
char *s;
#endif
#ifdef __APPLE__
uuid_unparse(*t, buf);
#else
if (memcmp(t, &efi_slice, sizeof(uuid_t)) == 0)
return "EFI System partition";
else if (memcmp(t, &freebsd, sizeof(uuid_t)) == 0)
return "FreeBSD disklabel container";
else if (memcmp(t, &swap, sizeof(uuid_t)) == 0)
return "FreeBSD swap partition";
else if (memcmp(t, &ufs, sizeof(uuid_t)) == 0)
return "FreeBSD ufs partition";
else if (memcmp(t, &vinum, sizeof(uuid_t)) == 0)
return "FreeBSD vinum partition";
uuid_to_string(t, &s, NULL);
strlcpy(buf, s, sizeof buf);
free(s);
#endif
return buf;
}
static void
show(int fd __unused)
{
off_t start, end;
map_t *m, *p;
struct mbr *mbr;
struct gpt_ent *ent;
unsigned int i;
uuid_t type;
printf(" %*s", lbawidth, "start");
printf(" %*s", lbawidth, "end");
printf(" %*s", lbawidth, "size");
printf(" %s\n", "contents");
m = map_first();
while (m != NULL) {
end = m->map_start + m->map_size - 1;
printf(" %*llu", lbawidth, (long long)m->map_start);
printf(" %*llu", lbawidth, (long long)end);
printf(" %*llu", lbawidth, (long long)m->map_size);
putchar(' '); putchar(' ');
switch (m->map_type) {
case MAP_TYPE_MBR:
if (m->map_start != 0)
printf("Extended ");
printf("MBR");
break;
case MAP_TYPE_PRI_GPT_HDR:
printf("Pri GPT header");
break;
case MAP_TYPE_SEC_GPT_HDR:
printf("Sec GPT header");
break;
case MAP_TYPE_PRI_GPT_TBL:
printf("Pri GPT table");
break;
case MAP_TYPE_SEC_GPT_TBL:
printf("Sec GPT table");
break;
case MAP_TYPE_MBR_PART:
p = m->map_data;
if (p->map_start != 0)
printf("Extended ");
printf("MBR part ");
mbr = p->map_data;
for (i = 0; i < 4; i++) {
start = le16toh(mbr->mbr_part[i].part_start_hi) << 16;
start += le16toh(mbr->mbr_part[i].part_start_lo);
if (m->map_start == p->map_start + start)
break;
}
printf("%d", mbr->mbr_part[i].part_typ);
break;
case MAP_TYPE_GPT_PART:
printf("GPT part ");
ent = m->map_data;
#ifdef __APPLE__
bswap_uuid(ent->ent_type, type);
#else
le_uuid_dec(&ent->ent_type, &type);
#endif
printf("- %s", friendly(&type));
break;
case MAP_TYPE_PMBR:
printf("PMBR");
break;
}
putchar('\n');
m = m->map_next;
}
}
int
cmd_show(int argc, char *argv[])
{
int ch, fd;
while ((ch = getopt(argc, argv, "")) != -1) {
switch(ch) {
default:
usage_show();
}
}
if (argc == optind)
usage_show();
while (optind < argc) {
fd = gpt_open(argv[optind++]);
if (fd == -1) {
warn("unable to open device '%s'", device_name);
continue;
}
show(fd);
gpt_close(fd);
}
return (0);
}